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(11)

EP 2 025 114 A1

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(43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 07746530.0 (22) Date of filing: 15.05.2007

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) (86) International application number: PCT/KR2007/002382 (87) International publication number: WO 2007/133041 (22.11.2007 Gazette 2007/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 15.05.2006 KR 20060043590 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 442-742 (KR)

(72) Inventors: JUNG, Jung-Soo c/o Samsung Electronics Co.Ltd. Suwon-si, Gyeonggi-do (KR) KIM, Dae-Gyun c/o Samsung Electronics Co.Ltd,. Suwon-si, Gyeonggi-do (KR) BAE, Beom-Sik c/o Samsung Electronics Co. Ltd. Suwon-si, Gyeonggi-do (KR) KWON, Hwan-Joon c/o Samsung Electronics Co.Ltd. Suwon-si, Gyeonggi-do (KR) KIM, Yu-Chul c/o Samsung Electronics Co. Ltd. Suwon-si, Gyeonggi-do (KR) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Leopoldstrasse 4 80802 München 80802 München (DE)